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Aeroqual AQM60 User Guide
Example:
If 10ppm of CO was required and the cylinder concentration is 1000ppm, then the required dilution
ratio would be 100. The dilution ratio of 100 will be entered into the relevant section in the PC software and
the MFC flow rate will automatically adjust to meet the desired calibration gas concentration.
Note: Both the MFM flow rate and the MFC flow rate are logged to the S.D. card so that the user may
confirm that the appropriate dilution has been applied.
4.5.2. Pneumatics
4.5.3. Gas cylinder Housing
Gas bottles
The AirCal 8000 system allows for two gas bottles to be contained in a secure compartment on the side wall
of the AQM enclosure.
To achieve the best performance from the AirCal 8000 it is important to connect gas cylinders with gas
concentrations which are appropriate for the calibration being performed. Example cylinder concentrations
are as follows:
Gas
Recommended
Cylinder
concentration ppm
Maximum
Concentration
Achievable ppm
Minimum
concentration
achievable ppm
CO
1000
20
2
NO / NO2
20
0.4
0.04
Isobutylene for
PID / NMHC
1000
20
2
SO2 / H2S
100
2
0.2
Bypass
≈ 2.0 LPM
Pump
Air
In
Zero Air
Cartridges
Mass Flow
Meter
Mass Flow
Controller
Solenoid
Span 1
Solenoid
Span 2
Solenoid
Zero Air
Sample Flow
Zero Flow - Sample Flow
Sample
M
a
n
ifo
ld
Sensor A
Sensor E
Sensor C
Sensor D
Sensor B
Pump
Exhaust
Filter
Summary of Contents for AQM60
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